Australian Government

Bureau of Meteorology


High Seas Forecast 

Marine (lite) Home

IDY10220
SECURITE

High Seas Forecast for Western METAREA 10
12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E

Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 2300 UTC 26 February 2026

Part 1 Warnings
Refer to latest warnings for details of the area affected.

Melbourne Storm Force Wind Warning 2.

Part 2 Situation at 261800 UTC
Cold front near 34S090E 40S097E to low [1] 969hPa near 50S098E. Forecast low
[1] 969hPa moving south of area near 50S099E at 262100UTC, and just cold front
near 36S120E 50S124E 50S108E at 280000UTC.

Trough 09S092E 12S098E 13S102E. Forecast trough near 12S102E 13S103E at
280000UTC.

Low [2] 1011hPa near 37S118E Forecast low [2] 1010hPa near 38S117E at 270000UTC
and weakening thereafter.

Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.

South of line 45S080E 33S091E 30S111E 46S129E, outside warning areas:
Northwesterly quarter winds, shifting westerly quarter within 240nm west of
cold front. Winds turning clockwise within 540nm of low [1]. Winds 20/30 knots.
Rough seas. Moderate to heavy swell.

North of line 45S080E 33S091E 30S111E 46S129E:
Clockwise winds 20/30 knots within 300nm of low. Moderate to rough seas. Low to
moderate swell.

Within 180nm of line 25S102E 26S114E:
Southeasterly quarter winds 25/33 knots. Rough to very rough seas. Low to
moderate swell.


Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to moderate to heavy swell south of line 34S080E 29S093E 31S103E.

Rain areas, scattered showers and isolated thunderstorms within 180nm of fronts
and within 300nm of low [1]. Visibility reducing below 2nm in precipitation.

Please be aware
Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger
than the forecast, and stronger still in squalls and thunderstorms. Maximum
waves can be twice the forecast height.

WEATHER MELBOURNE

The next routine forecast will be issued at 08:00 UTC Friday.